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Lathe Headstock Spindle Reducing Adapter with Thru Hole for Vacuum Chuck - Converts 1-1/4"-8 TPI to 1"-8 TPI

Regular price $51.95

Lathe Headstock Spindle Reducing Adapter, with through hole for vacuum chuck tube. Converts 1-1/4"-8 TPI to 1"-8  TPI.

We've had several requests for customers who own a 1" - 8 TPI vacuum chuck and want to use it on another lathe with 1¼" - 8 TPI spindle threads. With this product, now you can!


  • Thru hole for vacuum chuck tube to pass through.
  • 1¼" x 8 female threads
  • 1" x 8 male threads
  • Flat spots on either side allow for easy application and removal


  • OD: 2.125"
  • Overall Length: 2.75"
  • Depth of interior threads: 1.5"
  • Length of male end: 1"
  • Diameter of through hole: .400"
  • Wrench needed to tighten/loosen: 1-7/8"


USPS: We are not currently sending anything via US Mail. We have had way too many complaints about late shipments and lost orders. We will no longer be sending packages this way as it's unreliable right now.

UPS: All orders are currently shipping UPS. Please see below map for time in transit questions.

When will my order ship?
  • We ship as soon as possible - most of the time within 24 hours of order placement. (Orders placed on Friday after 10am CST, Saturday or Sunday will ship Monday)
  • You will receive an e-mail from us when your order ships.
  • All orders ship from Ramsey, Minnesota.
  • We ship worldwide. 
  • International orders: Shipping cost will be calculated during checkout and will NOT include your local duty and/or customs fees.

All items ship out of Minnesota.